'Cliona celata is also called the boring sponge: This sponge is lobular in shape with many small wart like projections covering its surface ... The samples collected ranged in size from fist size to volley ball size and was referred to by the students as "monkey dung."'

Then there is another Cliona, Cliona vastifica, of the family Clionidae, class Demospongia, type Porifera.